docs: def download_icon_font(icon_font, directory):
      """Download given (implemented) icon font into passed directory"""
      try:
          downloader = AVAILABLE_ICON_FONTS[icon_font]['downloader'](directory)
          downloader.download_files()
          return downloader
      except KeyError:  # pragma: no cover
          raise Exception("We don't support downloading font '{name}'".format(
              name=icon_font)
          )